冰雹在窗玻璃上嘈杂地连续敲打。
用锤头连续敲打金属表面的方法大大地延长了弹簧的使用寿命。
Great improvement has been brought about in the service life of springs by hot peening.
“连续敲打你的肌肉和骨头将强身健体,刺激血液循环,放松神经末梢。”沃尔思曼说。
"Pummeling your muscles and bones will help strengthen the body, stimulate blood circulation, and relax nerve endings," says Walsemann.
应用推荐